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DNA Structure and Replication

DNA Structure and Replication
DNA with a G-C content of 50% will melt at approximately

100 °C
90 °C
70 °C
60°C

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DNA Structure and Replication
DNA segments capable of moving from one place in the genome to another is known as

transposons
introns
retrovirus
moving elements

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DNA Structure and Replication
Which DNA polymerase removes RNA primers in DNA synthesis?

none of these
Polymerase II
Polymerase I
Polymerase III

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DNA Structure and Replication
DNA gyrase in E. coli

performs the same function as helicase in eukaryotes
can be inhibited with antibiotics
is required only at the oriC site
adds positive supercoils to chromosomal DNA

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DNA Structure and Replication
Number of times the two DNA strands are interwined in circular DNA and is known as

none of these
linking number
twisting number
helix frequency

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DNA Structure and Replication
DNA helicase is used to

interact the double helix closely
unwind the double helix
None of these
break a phosphodiester bond in DNA strand

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MORE MCQ ON DNA Structure and Replication

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